In a lottery daily game, a player picks three numbers from 0 to 9 (without repetition). How many different choices does the player have order does not matter

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

What statement is true? 2x^2-9x+2=-1

Answer! if you don’t mind, can you explain